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Cushion|Lab Grown|IGI

3.10ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG815653594

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815653594

Diamond specifications and retailer prices

From $1,010 NZD
$569 USD
As of October 31, 2026
Save $396 NZD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,802 NZD at Brilliance · As of October 24, 2026
View at Brilliance

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815653594 or 815653594. Listed at 3 retailers as of October 31, 2026, with a 39% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815653594
Dimensions9.89 × 7.62 × 5.08 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.89 mm7.62 mm3.10 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815653594
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,802 NZD|Low: $1,010 NZD|High: $7,470 NZD|Avg: $2,653 NZD|-7.8%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 2$1,010 NZD
Retailer 6$1,295 NZD
Retailer 3$1,405 NZD
Retailer 7$1,512 NZD
Retailer 4$1,743 NZD
Retailer 8$1,803 NZD
Brilliance$3,802 NZD
Retailer 5$7,470 NZD

12 data points across 8 retailers

3 retailers$1,010 NZD to $1,405 NZD

A
Cheapest Retailer
-
$1,010 NZD
$569 USD
Final sale: no returns
B+
Retailer 2
-
$1,405 NZD
$792 USD
View
Most Expensive
Brilliance
D43774307 · Oct 24
$3,802 NZD
$2,143 USD
View
Price last confirmed 8 days ago
2 more retailers have this diamond
Prices start from $1,010 NZDSave up to $396 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.10ct Cushion
$1,010 NZD